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Which one of the following is the exact composition of carbohydrates?

Correct answer: C. Carbon, Hydrogen and Oxygen

  • A. Carbon and Hydrogen
  • B. Carbon and Oxygen
  • C. Carbon, Hydrogen and Oxygen
  • D. Hydrogen and Oxygen

Explanation

Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen atoms in specific ratios. The general formula for carbohydrates is (CH2O)n, where "n" represents the number of repeating units. Option C is correct because it includes all three elements present in carbohydrates.

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Proteins are classified by shape, composition and structure, from primary amino acid sequence to secondary, tertiary and quaternary organisation, and their biological roles are linked to this structure. Enzymes are examined as protein biocatalysts, including active sites, substrate specificity, activation energy, cofactors and factors affecting activity.

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